ESE-detected EPR of triplet radical pairs produced by mechano-chemical treatment of 2,6-di-t-butylquinone diazide mixed with 3,5-di-t-butylpyrocathechon

Autor:	Ya. S. Lebedev, O.G. Poluektov, Jan Schmidt, D. S. Tipikin
Rok vydání:	1993
Předmět:	Chemical treatment law Chemistry Relaxation (NMR) General Physics and Astronomy Condensed Matter::Strongly Correlated Electrons Microwave frequency Singlet state Physical and Theoretical Chemistry Photochemistry Electron paramagnetic resonance law.invention
Zdroj:	Chemical Physics Letters. 215:199-202
ISSN:	0009-2614
DOI:	10.1016/0009-2614(93)89288-s
Popis:	Electron spin echo experiments at high microwave frequency (95 GHz) have been performed to study mechanically induced radical pairs. It is shown that the sign of the spin—spin interaction of the radical pairs produced by mechanical treatment of a crystalline-powdered mixture of 2,6-di-t-butylquinone diazide and 3,3-di-t-butylpyrocathechon is positive. The asymmetry of the relaxation rates between the triplet sublevels is explained by the presence of a nearby singlet state.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::228201f4e5a2d6fe9664bc3e47cce8d3 https://doi.org/10.1016/0009-2614(93)89288-s Zobrazit plný text záznamu